Added support for more specific queries against any IEnumerable<TrackingRecord>
 
Include Any, First, FirstOrDefault, Last, LastOrDefault, Single, SingleOrDefault and Where
 
For example
// Find all faulted record
var query = tracking.Records.Where(ActivityInstanceState.Faulted);
 
// Find a specific displayname that is Executing
var query = tracking.Records.Where(ActivityInstanceState.Executing, DisplayName);